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Finding the Third Proportional to 18,448 and 28,824

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Solution

The third proportional to 18,448 and 28,824 is: 45,035.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,448 : 28,824 = 28,824 : x
  2. Step 2: Convert to fraction form
    18,448/28,824 = 28,824/x
  3. Step 3: Cross multiply
    18,448x = 28,824 × 28,824
  4. Step 4: Simplify right side
    18,448x = 830,822,976
  5. Step 5: Solve for x
    x = 830,822,976/18,448
  6. Step 6: Final answer
    x = 45,035.94

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.